OEM one piece 3mm apex seals???
Thread Starter
Rotary Freak
Joined: Jan 2004
Posts: 1,891
Likes: 5
From: Belgium
OEM one piece 3mm apex seals???
Just cruising Yahoo auction website and came across a new set of OEM apex seals, one piece and 3mm
It even showed the Mazda OE part number
ZR 311 C01
Anyone familiar with this? Is this an uprated apex seal from Mazda?
It even showed the Mazda OE part number
ZR 311 C01
Anyone familiar with this? Is this an uprated apex seal from Mazda?
Yes, carbon/aluminum seals
Mazdacomp says
SEAL, APEX
Part No: ZR03-11-C01 The regular price is $64.30
The sale price is $45.90
The Yahoo auction states this was the seal kit from the Mazdaspeed "sports kit" engine.
Don't know if that is correct but "sports kit" 13B was the "over the counter" available to public kit launched in 1978 to make 13B into a dry sumped 13B peripheral port for racing as to homologate peripheral port engines in Grand Championship Series racing.
-------------
Looks the same to me as
SEAL, APEX
Part No: 4801-11-301 The regular price is $63.65
The sale price is $45.45
-------------
special race springs for carbon/aluminum apex seals
APEX SEAL SPRING-13B
Part No : ZR03-11-C04
The regular price is $10.75
The sale price is $7.65 $7.65
Mazdacomp says
SEAL, APEX
Part No: ZR03-11-C01 The regular price is $64.30
The sale price is $45.90
The Yahoo auction states this was the seal kit from the Mazdaspeed "sports kit" engine.
Don't know if that is correct but "sports kit" 13B was the "over the counter" available to public kit launched in 1978 to make 13B into a dry sumped 13B peripheral port for racing as to homologate peripheral port engines in Grand Championship Series racing.
-------------
Looks the same to me as
SEAL, APEX
Part No: 4801-11-301 The regular price is $63.65
The sale price is $45.45
-------------
special race springs for carbon/aluminum apex seals
APEX SEAL SPRING-13B
Part No : ZR03-11-C04
The regular price is $10.75
The sale price is $7.65 $7.65
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Joined: Mar 2001
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From: https://www2.mazda.com/en/100th/
Yes, carbon/aluminum seals
Mazdacomp says
SEAL, APEX
Part No: ZR03-11-C01 The regular price is $64.30
The sale price is $45.90
The Yahoo auction states this was the seal kit from the Mazdaspeed "sports kit" engine.
Don't know if that is correct but "sports kit" 13B was the "over the counter" available to public kit launched in 1978 to make 13B into a dry sumped 13B peripheral port for racing as to homologate peripheral port engines in Grand Championship Series racing.
-------------
Looks the same to me as
SEAL, APEX
Part No: 4801-11-301 The regular price is $63.65
The sale price is $45.45
-------------
special race springs for carbon/aluminum apex seals
APEX SEAL SPRING-13B
Part No : ZR03-11-C04
The regular price is $10.75
The sale price is $7.65 $7.65
Mazdacomp says
SEAL, APEX
Part No: ZR03-11-C01 The regular price is $64.30
The sale price is $45.90
The Yahoo auction states this was the seal kit from the Mazdaspeed "sports kit" engine.
Don't know if that is correct but "sports kit" 13B was the "over the counter" available to public kit launched in 1978 to make 13B into a dry sumped 13B peripheral port for racing as to homologate peripheral port engines in Grand Championship Series racing.
-------------
Looks the same to me as
SEAL, APEX
Part No: 4801-11-301 The regular price is $63.65
The sale price is $45.45
-------------
special race springs for carbon/aluminum apex seals
APEX SEAL SPRING-13B
Part No : ZR03-11-C04
The regular price is $10.75
The sale price is $7.65 $7.65
No, not at all suitable for forced induction applications.
Even naturally aspirated detonation from too much spark advance can cause them to break up. NSU couldn't keep carbon seals together because they insisted on using a centrifugal advance mechanism.
Even naturally aspirated detonation from too much spark advance can cause them to break up. NSU couldn't keep carbon seals together because they insisted on using a centrifugal advance mechanism.
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